#ifndef _STU_H
#define _STU_H

typedef struct Student{
	char name[20];
	int id;
	double chinese;
	double math;
	double english;
	double physical;
	double biological;
	double chemical;
}Stu_t;

int saveStu(Stu_t arr[],int len, char* filename);
int loadStu(char* filename);

void initStuArr(Stu_t arr[],int len);
void printStuArr(Stu_t arr[],int len);

#endif
